22881616 has 20 divisors (see below), whose sum is σ = 45086400. Its totient is φ = 11246432.

The previous prime is 22881613. The next prime is 22881623. The reversal of 22881616 is 61618822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22881611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11176 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (2254320).

Almost surely, 2^22881616 is an apocalyptic number.

It is an amenable number.

22881616 is a deficient number, since it is larger than the sum of its proper divisors (22204784).

22881616 is a wasteful number, since it uses less digits than its factorization.

22881616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24306 (or 24300 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 22881616 is about 4783.4732151440. The cubic root of 22881616 is about 283.8979333022.

The spelling of 22881616 in words is "twenty-two million, eight hundred eighty-one thousand, six hundred sixteen".